diff --git a/components/canvas/LiblibVideoCanvasReplica.tsx b/components/canvas/LiblibVideoCanvasReplica.tsx
index ef86d8a17..7e0c18ea9 100644
--- a/components/canvas/LiblibVideoCanvasReplica.tsx
+++ b/components/canvas/LiblibVideoCanvasReplica.tsx
@@ -384,6 +384,7 @@ const OFFICIAL_TEXT_RESOURCE_WIDTH = 560;
 const OFFICIAL_IMAGE_TOOLBAR_SCALE = 0.7;
 const OFFICIAL_COMPOSER_SCALE = 0.546;
 const OFFICIAL_ZOOM_DOCK_SCALE = 0.65;
+const OFFICIAL_DROPDOWN_SCALE = 0.7;
 const OFFICIAL_NINE_GRID_WIDTH = 930;
 const OFFICIAL_NINE_GRID_HEIGHT = 520;
 const PROMPT_COMPOSER_BASE_WIDTH = 895;
@@ -1139,6 +1140,12 @@ function preventNativeImageDrag(event: ReactDragEvent<HTMLImageElement>) {
 
 function normalizeGridOption(option?: string) {
   const text = String(option || "").trim();
+  const explicitGrid = text.match(/(\d+)\s*[x×]\s*(\d+)/i);
+  if (explicitGrid) {
+    const columns = Math.max(1, Math.min(5, Number.parseInt(explicitGrid[1] || "3", 10) || 3));
+    const rows = Math.max(1, Math.min(5, Number.parseInt(explicitGrid[2] || "3", 10) || 3));
+    return { columns, rows, tileCount: columns * rows };
+  }
   const tileCount =
     /25\s*宫格|5\s*[x×]\s*5|25/.test(text)
       ? 25
@@ -5357,10 +5364,11 @@ function SceneToolbarPopover({
     orbit: -245,
     panorama: -360,
   };
+  const popoverScale = (anchor ? OFFICIAL_IMAGE_TOOLBAR_SCALE : 1) * OFFICIAL_DROPDOWN_SCALE;
   const officialPopoverStyle = {
     left: anchor ? anchor.centerX + popoverOffset[menu] : `calc(50% + ${popoverOffset[menu]}px)`,
     top: anchor ? anchor.topY - (24 * anchor.zoom + 10) + 8 : 168,
-    transform: `translateX(-50%) scale(${anchor ? OFFICIAL_IMAGE_TOOLBAR_SCALE : 1})`,
+    transform: `translateX(-50%) scale(${popoverScale})`,
     transformOrigin: "top center",
   };
   const popoverSurfaceStyle = {
@@ -5482,7 +5490,8 @@ function SceneToolbarPopover({
   if (menu === "crop") {
     return (
       <div
-        className="pointer-events-auto absolute z-40 flex w-[300px] -translate-x-1/2 flex-col p-3 font-sans"
+        className="pointer-events-auto absolute z-40 flex w-[300px] -translate-x-1/2 flex-col overflow-visible p-3 font-sans"
+        onMouseLeave={() => setCustomGridOpen(false)}
         role="menu"
         style={{ ...officialPopoverStyle, ...popoverSurfaceStyle }}
       >
@@ -5501,7 +5510,7 @@ function SceneToolbarPopover({
           </button>
         ))}
         <div className="mx-4 my-2 h-px bg-white/12" />
-        <div onMouseEnter={() => setCustomGridOpen(true)} onMouseLeave={() => setCustomGridOpen(false)}>
+        <div onMouseEnter={() => setCustomGridOpen(true)}>
           <button
             className={cn(
               "flex h-[70px] w-full cursor-pointer items-center justify-between rounded-[10px] px-5 text-left transition-colors duration-200 hover:bg-white/8 active:bg-white/12",
@@ -5514,17 +5523,16 @@ function SceneToolbarPopover({
             <span className="min-w-0 truncate text-[25px] font-normal leading-snug text-white/86">自定义</span>
             <ChevronDown className="h-5 w-5 shrink-0 -rotate-90 text-white/60" />
           </button>
-          {customGridOpen ? (
-            <div
-              className="absolute left-full top-0 ml-1.5 p-1.5"
-              onMouseEnter={() => setCustomGridOpen(true)}
-              onMouseLeave={() => setCustomGridOpen(false)}
-              style={popoverSurfaceStyle}
-            >
-              <CustomGridPicker onSelect={(rows, columns) => onSelect?.(`${rows} x ${columns}`)} />
-            </div>
-          ) : null}
         </div>
+        {customGridOpen ? (
+          <div
+            className="absolute left-[calc(100%+8px)] top-0 w-[420px] p-4"
+            onMouseEnter={() => setCustomGridOpen(true)}
+            style={popoverSurfaceStyle}
+          >
+            <CustomGridPicker onSelect={(rows, columns) => onSelect?.(`${columns} x ${rows}`)} />
+          </div>
+        ) : null}
       </div>
     );
   }
@@ -5609,17 +5617,17 @@ function ImageToolMenuGlyph({ tool }: { tool: string }) {
 }
 
 function CustomGridPicker({ onSelect }: { onSelect: (rows: number, columns: number) => void }) {
-  const [hovered, setHovered] = useState({ columns: 0, rows: 0 });
+  const [hovered, setHovered] = useState({ columns: 3, rows: 3 });
 
   return (
-    <div className="flex flex-col gap-2.5 p-2">
+    <div className="flex w-full flex-col gap-5">
       <div className="flex items-center justify-between px-0.5">
-        <span className="text-[13px] text-white/52">自定义宫格</span>
-        <span className="text-[13px] font-medium text-white/86">
-          {hovered.rows > 0 && hovered.columns > 0 ? `${hovered.columns} x ${hovered.rows}` : ""}
+        <span className="text-[25px] font-normal leading-none text-white/52">自定义宫格</span>
+        <span className="text-[25px] font-semibold leading-none text-white/86">
+          {hovered.columns} × {hovered.rows}
         </span>
       </div>
-      <div className="grid grid-cols-5 gap-1" onMouseLeave={() => setHovered({ columns: 0, rows: 0 })}>
+      <div className="grid grid-cols-5 gap-3" onMouseLeave={() => setHovered({ columns: 3, rows: 3 })}>
         {Array.from({ length: 25 }).map((_, index) => {
           const rows = Math.floor(index / 5) + 1;
           const columns = (index % 5) + 1;
@@ -5627,8 +5635,8 @@ function CustomGridPicker({ onSelect }: { onSelect: (rows: number, columns: numb
           return (
             <button
               className={cn(
-                "h-8 w-8 rounded border transition-colors duration-75",
-                active ? "border-blue-400/60 bg-blue-500/40" : "border-white/12 bg-white/8 hover:bg-white/12"
+                "h-[54px] w-[54px] rounded-[8px] border transition-colors duration-75",
+                active ? "border-[#2f8dff] bg-[#315b91]" : "border-white/0 bg-white/14 hover:bg-white/18"
               )}
               key={index}
               onClick={() => onSelect(rows, columns)}